R. Scott Seville Donald W. Duszynski Sarah E. Bush Robert N. Fisher Christopher C. Austin Chris T. McAllister 2013 Two new species of <i>Eimeria Schneider</i>, 1875, from emerald tree skinks, <i>Lamprolepis smaragdina</i> (Lesson) are described from specimens collected in Papua New Guinea (PNG) and the Philippines. Oöcysts of <i>Eimeria nuiailan</i> n. sp. from the only <i>L. smaragdina</i> from PNG are ovoidal, with a smooth, colourless, bi-layered wall, measure 23.7 × 19.1 μm, and have a length/width (L/W) ratio of 1.3; both micropyle and oöcyst residuum are absent, but a fragmented polar granule is present. Sporocysts are ovoidal to ellipsoidal, 11.9 × 7.0 μm, L/W 1.7, and the wall is composed of two valves joined by a longitudinal suture; neither Stieda nor sub-Stieda bodies are present; a sporocyst residuum is present as a compact mass of granules. Sporozoites are elongate, 14.6 × 2.6 μm, and contain anterior and posterior refractile bodies with a nucleus between them. Oöcysts of <i>Eimeria auffenbergi</i> n. sp. from <i>L. smaragdina</i> collected in the Philippines are ovoidal, with a smooth, colourless, bi-layered wall, measure 19.9 × 15.8 μm, L/W 1.3; both micropyle and oöcyst residuum are absent, but one to four polar granules are present. Sporocysts are ovoidal to ellipsoidal, 10.3 × 5.8 μm, L/W 1.8, and the wall is composed of two valves joined by a longitudinal suture; neither Stieda nor sub-Stieda bodies are present; a sporocyst residuum is composed of dispersed granules. application/pdf 10.1007/s11230-013-9442-7 en Springer Two new species of <i>Eimeria</i> Schneider, 1875 (Apicomplexa: Eimeriidae) from emerald tree skinks, <i>Lamprolepis smaragdina</i> (Lesson) (Sauria: Scincidae) from Papua New Guinea and the Philippines article